kdragon

It's not that strange. People tend to use what is popular.

There are several implementations of core across various languages, not including custom forks of core.

There was a section of IBM's quantum computing challenge that had you encrypt/decrypt logical qbits by transforming their phase state to a known degree. If the state was altered in-transit, than the inverse transform will not cancel out correctly.

the challenge also mentioned that for it to work in practice, the qbits themselves would have to be transported somehow.

Plot twist: this entire shit-show was orchestrated by chatgpt while inside OpenAI's basement.

Austin was just a bunch of housed and employed people quietly dying because our government is anti-humanist.

Good lord.

It was a once in a century weather event. Austin and Texas in general celebrates a limited government. So you should take responsibility and prepare accordingly.

If you seriously feel like the city government is anti-humanist and out to get you, then maybe you should pack up and leave town immediately.

I haven't yet heard a rational explanation for just how badly ECDSA mangles the Schnorr protocol in exactly the way that means a lot of implementations end up with horrible security holes.

I thought schnorr was under patent for a bit, so an open alternative was needed? Also ECDSA does allow for recovery of the public key from the signature, which can be useful.

nostr has an early NIP that talks about publishing timestamp commitments to the bitcoin blockchain, using the open timestamp protocol

it's not that big a deal if you use a hosted wallet. There's quite a few options out there, like stacker.news or wallet of satoshi.

You can use it as currency on stacker.news

You can tip people on the nostr protocol. stats are on zaplife.lol

you can tip musicians on wavlake

there's a Minecraft server called satlantis where it is used as a currency

there's a lot of plugins you can use to build your own lightning enabled apps on lnbits

the space is still young so a lot of software is beta, but there's plenty to play with

check out the plebdev course on udemy if you want to dive into lightning development

TLDR:

- Create two keypairs.

- Use ECDH to derive a shared secret.

- Use secret to tweak pubkey of the recipient.

- Send money to the tweaked (and hashed) pubkey.

- Recipient has to keep an eye out for this tweaked key on the blockchain.

Nostr partially addresses this in a few ways:

* Media itself is not stored, only links to media.

* Relays are free to limit usage, charge a fee or require proof of work.

* There are many kinds of messages with different storage standards i.e ephemeral messages are not stored at all.

Gas fees are also a solution to the halting problem that comes with Ethereum's EVM (and its Turing completeness). So you are paying for space and computation.

Guilty >_>

It feels nice when a protocol has its core devs on the same wavelength as application devs. That's the feeling I get with nostr.

I was being a bit dramatic with my choice of words but you are absolutely right :-D

So much FUD.

1) miners profit from energy surplus. They do not create new power plants. Nobody is firing up a new coal plant to mine bitcoin. That is absurd.

2) miners have incentives to find and use wasted energy. For ex, flare gas recycling. Which actually helps the environment.

3) miners can turn on/off at will, and produce energy loads on demand. Which means they balance out the energy grid. Especially from erratic energy sources like wind and solar. This is already being deployed in some states.

You are fighting on the wrong side buddy.

They do with the extended key as it includes the chain code.

My vote is for extended keys, something based off HD Wallets:

https://github.com/bitcoin/bips/blob/master/bip-0032.mediawi...

Easy rotation and recovery of individual keys, but you do have to protect your master seed.

Nostr also supports user verification through DNS hostnames.

https://github.com/nostr-protocol/nips/blob/master/05.md

You can argue that it is not true P2P, since you rely on a public-facing intermediary.

A lot of p2p protocols cheat with relays, it is really hard to traverse nats otherwise.

Nostr can be used for peer discovery to bootstrap a direct p2p connection.

You could also use a client/relay hybrid application, similar to other p2p networks. That would be fun to build. :-)

Yes this is the crux of any social media application. I don't know if there will ever be a perfect solution.

I like that nostr abstracts this problem away from the relays. Relays only focus on storing data and handling subscriptions. They can choose to censor and/or curate content if need be, but it's not their concern.

It's up to the client to come up with a solution, and that client can be a platform or a protocol of its own.

edit it also feels really great to work on that problem from the application layer. I can come up with a solution that isn't confined to the parent protocol.

fixed >_<

Great question! Relays aren't involved in curation or discovery, so it fall on the client.

You can request very broad subscriptions from relays! For example, here is a site that subscribes to everything, showing you a gods-eye view of events streaming into a relay:

https://nostr.info/relays

Events have different "kinds", so you can filter this based on the type of traffic you are looking for (like public posts or user profiles).

Platforms like damus.io are more user-friendly, and offer better tools for discovering users and content.

You can subscribe to a user's feed via their pubkey, so discovery methods typically revolve around learning pub keys.

As a Bitcoin maxi this is fun to watch. It's like the 08' financial collapse all over again, but there's no bailout coming this time around.

I think it is glaringly obvious at this point that most of society does not understand how money works, and will fall victim to the same old scams no matter where they manifest.

This entire crypto collapse has been a long time coming. You can't simply manufacture money out of nothing, nor can you inflate debt endlessly.

Bitcoin as a community has distanced themselves from 'crypto' and these boiler-room pump and dump scams.

Bitcoin maxis fight for the simplicity and real-word cost behind proof of work for a reason. Bitcoin may be arbitrary digits in a ledger but it isn't free to make. The supply is capped, yet the work anyone can put into securing the ledger is unbounded.

Regardless of where you choose to invest, self custody is king. Get your tokens off exchanges. Not your keys, not your coins.

The future of micropayments will be the Lightning network. It's still under heavy development, but people use it to stream instant sub-cent payments all the time.

Check out stacker.news as a live example.

You can't rewrite the history of blocks that have already been distributed. You may fool SPV nodes but any node with a copy of the blockchain (even if pruned) will reject your version.

I don't think it's fair to base a topic on the loudest voices in the room. That is a road to madness.

I still wish to see more interest in technical discussion of Bitcoin here. Like the new BIP proposal expanding the scripting capability of the protocol. I don't know what percentage of BTC discussions on HN are in either bucket, but I hope at the very least it would be 50/50. Don't you agree?

I think group e2ee is overblown and self-defeating in principle. Good luck auditing a ratcheting e2ee algo. Plus it breaks often, and group encryption is defeated by any user in the chat.

Direct e2ee is far simpler and can be expanded to small groups without the need for complex ratcheting trees. Anything larger and you may as well fall-back to client-server with e2e communications.

I feel like the HN community, who are more tech literate, should have a better understanding of Bitcoin and crypto. I don't like all the ignorant comments that focus purely on the financials. Is cryptocurrency space not full of technological marvel?

Bitcoin has always been an application for demonstrating the engineering achievements behind it (solving byzantine faults, fungibility of data), so we can build even greater tools like smart contracts, programmable money, trust-less p2p networks, etc so many things. I think labeling bitcoin as a scam is a huge insult to those engineers involved. Engineers like Hal Finney who dedicated his life trying to make a brighter future for everyone, I don't think it is fair to call his and others work an elaborate ponzi scheme.

The bitcoin space has so much history, a lot of battles have been fought on bitcointalk, over mailing lists and pull requests, etc. I feel that as developers we should focus less on financial markets and more technical discussion. Bitcoin has a lot of new things to talk about with the Taproot activation, like schnorr signatures and private lightning transactions. I'd like to see those discussions more on HN but that's just my opinion.

So I'm in the business of wheeling and dealing in these things.

It's common knowledge in the industry that all of these devices likely have government backdoors or (likely deliberate) critical security flaws at any moment.

Virtually all CCTV hardware comes from ruthless and unregulated Chinese markets where the goal is to obfuscate the price (and source) as much as possible, to prevent price discovery by the end user and allow 2-4x markups on the equipment by the integrator.

Usually these manufacturers will sell to separate companies for their name brand, off-brand, and offer custom branding to distributors.

Due to the obfuscstion of manufacturing source, and at the same time a desire to "stand out" amonst the rest, the industry is rife with knockoffs, third-shift products, stolen technology, unauthorized distribution, you name it.

As an example: Every single Hikvision camera on amazon.com is an illegal sale and void of any official support from Hikvision. Go ahead and try to call them with a serial number for a product you bought on amazon and see what happens. It doesn't matter that the company selling the product on amazon is also named Hikvision (its an imposter).

Point being, the surveillance camera market is so rife with corruption that you generally accept that everything is compromised.

But none of it matters, because as long as the features work and the equipment is reliable, you simply throw it all behind an isolated network and call it a day.

'manageable with technology we do not have' -> magic.

Christ, are you for real? Was landing on the moon 'magic' up until the moment we did it? Why are people like you even on this website?

Exactly.

I never called it a conspiracy. Those were not my words.

People in power prefer constituents that produce wealth while being easy to control. That's just a fact of logistics. Encouraging education and arts that benefit critical thinking does not produce those results.

Encouraging education that relies on rote memorization does produce those results. So the people in power naturally choose the solution that best fits their own self interests. No conspiracy required.

That is why No Child Left behind was enacted. That's why the changes in Common Core (at least for mathematics) would make any mathematician lose their shit.

The evolutionary nature of a system does not require groups 'conspiring' in order to vote collectively on beneficial traits. It happens naturally.